| Pittsburgh to Bilecik | 5,341.84 mi (8,596.86 km) |
| Pittsburgh to Bingol | 5,795.11 mi (9,326.33 km) |
| Pittsburgh to Birecik | 5,798.92 mi (9,332.46 km) |
| Pittsburgh to Bitlis | 5,877.19 mi (9,458.43 km) |
| Pittsburgh to Bodrum | 5,384.77 mi (8,665.95 km) |
| Pittsburgh to Bogazliyan | 5,588.08 mi (8,993.15 km) |
| Pittsburgh to Bolu | 5,376.24 mi (8,652.23 km) |
| Pittsburgh to Bolvadin | 5,450.98 mi (8,772.50 km) |
| Pittsburgh to Bor | 5,627.18 mi (9,056.07 km) |
| Pittsburgh to Borcka | 5,706.83 mi (9,184.25 km) |
| Pittsburgh to Boyabat | 5,458.55 mi (8,784.68 km) |
| Pittsburgh to Bozdogan | 5,391.34 mi (8,676.52 km) |
| Pittsburgh to Bozkir | 5,571.19 mi (8,965.96 km) |
| Pittsburgh to Bozkurt | 5,437.06 mi (8,750.10 km) |
| Pittsburgh to Bozuyuk | 5,355.13 mi (8,618.25 km) |
